/* Command reader */
static void JNICALL
reader(jvmtiEnv* jvmti_env, JNIEnv* jni_env, void* arg)
{
jdwpPacket packet;
jdwpCmdPacket *cmd;
jboolean shouldListen = JNI_TRUE;
LOG_MISC(("Begin reader thread"));
while (shouldListen) {
jint rc;
rc = transport_receivePacket(&packet);
/* I/O error or EOF */
if (rc != 0 || (rc == 0 && packet.type.cmd.len == 0)) {
shouldListen = JNI_FALSE;
notifyTransportError();
} else {
cmd = &packet.type.cmd;
LOG_MISC(("Command set %d, command %d", cmd->cmdSet, cmd->cmd));
/*
* FIXME! We need to deal with high priority
* packets and queue flushes!
*/
enqueue(&packet);
shouldListen = !lastCommand(cmd);
}
}
LOG_MISC(("End reader thread"));
}
static void JNICALL
attachThread(jvmtiEnv* jvmti_env, JNIEnv* jni_env, void* arg)
{
LOG_MISC(("Begin attach thread"));
connectionInitiated((jdwpTransportEnv *)(void*)arg);
LOG_MISC(("End attach thread"));
}
static void JNICALL
acceptThread(jvmtiEnv* jvmti_env, JNIEnv* jni_env, void* arg)
{
TransportInfo *info;
jdwpTransportEnv *t;
jdwpTransportError rc;
LOG_MISC(("Begin accept thread"));
info = (TransportInfo*)(void*)arg;
t = info->transport;
rc = (*t)->Accept(t, info->timeout, 0);
/* System property no longer needed */
setTransportProperty(jni_env, NULL);
if (rc != JDWPTRANSPORT_ERROR_NONE) {
/*
* If accept fails it probably means a timeout, or another fatal error
* We thus exit the VM after stopping the listener.
*/
printLastError(t, rc);
(*t)->StopListening(t);
EXIT_ERROR(JVMTI_ERROR_NONE, "could not connect, timeout or fatal error");
} else {
(*t)->StopListening(t);
connectionInitiated(t);
}
LOG_MISC(("End accept thread"));
}
/* All normal exit doors lead here */
void
debugInit_exit(jvmtiError error, const char *msg)
{
enum exit_codes { EXIT_NO_ERRORS = 0, EXIT_JVMTI_ERROR = 1, EXIT_TRANSPORT_ERROR = 2 };
// Prepare to exit. Log error and finish logging
LOG_MISC(("Exiting with error %s(%d): %s", jvmtiErrorText(error), error,
((msg == NULL) ? "" : msg)));
// coredump requested by command line. Keep JVMTI data dirty
if (error != JVMTI_ERROR_NONE && docoredump) {
LOG_MISC(("Dumping core as requested by command line"));
finish_logging();
abort();
}
finish_logging();
// Cleanup the JVMTI if we have one
if (gdata != NULL) {
gdata->vmDead = JNI_TRUE;
if (gdata->jvmti != NULL) {
// Dispose of jvmti (gdata->jvmti becomes NULL)
disposeEnvironment(gdata->jvmti);
}
}
// We are here with no errors. Kill entire process and exit with zero exit code
if (error == JVMTI_ERROR_NONE) {
forceExit(EXIT_NO_ERRORS);
return;
}
// No transport initilized.
// As we don't have any details here exiting with separate exit code
if (error == AGENT_ERROR_TRANSPORT_INIT) {
forceExit(EXIT_TRANSPORT_ERROR);
return;
}
// We have JVMTI error. Call hotspot jni_FatalError handler
jniFatalError(NULL, msg, error, EXIT_JVMTI_ERROR);
// hotspot calls os:abort() so we should never reach code below,
// but guard against possible hotspot changes
// Last chance to die, this kills the entire process.
forceExit(EXIT_JVMTI_ERROR);
}
void
outStream_setError(PacketOutputStream *stream, jdwpError error)
{
if (stream->error == JDWP_ERROR(NONE)) {
stream->error = error;
LOG_MISC(("outStream_setError error=%s(%d)", jdwpErrorText(error), error));
}
}
static void
deleteNode(JNIEnv *env, RefNode *node)
{
LOG_MISC(("Freeing %d (%x)\n", (int)node->seqNum, node->ref));
if (node->isStrong) {
JNI_FUNC_PTR(env,DeleteGlobalRef)(env, node->ref);
} else {
JNI_FUNC_PTR(env,DeleteWeakGlobalRef)(env, node->ref);
}
jvmtiDeallocate(node);
}
static void
signalInitComplete(void)
{
/*
* Initialization is complete
*/
LOG_MISC(("signal initialization complete"));
debugMonitorEnter(initMonitor);
initComplete = JNI_TRUE;
debugMonitorNotifyAll(initMonitor);
debugMonitorExit(initMonitor);
}
static void JNICALL
cbEarlyVMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread)
{
LOG_CB(("cbEarlyVMInit"));
if ( gdata->vmDead ) {
EXIT_ERROR(AGENT_ERROR_INTERNAL,"VM dead at VM_INIT time");
}
if (initOnStartup)
initialize(env, thread, EI_VM_INIT);
vmInitialized = JNI_TRUE;
LOG_MISC(("END cbEarlyVMInit"));
}
/*
* Restore all static data to the initialized state so that another
* debugger can connect properly later.
*/
void
debugInit_reset(JNIEnv *env)
{
EnumerateArg arg;
LOG_MISC(("debugInit_reset() beginning"));
currentSessionID++;
initComplete = JNI_FALSE;
eventHandler_reset(currentSessionID);
transport_reset();
debugDispatch_reset();
invoker_reset();
stepControl_reset();
threadControl_reset();
util_reset();
commonRef_reset(env);
classTrack_reset();
/*
* If this is a server, we are now ready to accept another connection.
* If it's a client, then we've cleaned up some (more should be added
* later) and we're done.
*/
if (isServer) {
arg.isServer = JNI_TRUE;
arg.error = JDWP_ERROR(NONE);
arg.startCount = 0;
(void)bagEnumerateOver(transports, startTransport, &arg);
signalInitComplete();
transport_waitForConnection();
} else {
signalInitComplete(); /* Why? */
}
LOG_MISC(("debugInit_reset() completed."));
}
static void JNICALL
cbEarlyVMDeath(jvmtiEnv *jvmti_env, JNIEnv *env)
{
LOG_CB(("cbEarlyVMDeath"));
if ( gdata->vmDead ) {
EXIT_ERROR(AGENT_ERROR_INTERNAL,"VM died more than once");
}
disposeEnvironment(jvmti_env);
gdata->jvmti = NULL;
gdata->jvm = NULL;
gdata->vmDead = JNI_TRUE;
LOG_MISC(("END cbEarlyVMDeath"));
}
static jboolean
startTransport(void *item, void *arg)
{
TransportSpec *transport = item;
EnumerateArg *enumArg = arg;
jdwpError serror;
LOG_MISC(("Begin startTransport"));
serror = transport_startTransport(enumArg->isServer, transport->name,
transport->address, transport->timeout);
if (serror != JDWP_ERROR(NONE)) {
ERROR_MESSAGE(("JDWP Transport %s failed to initialize, %s(%d)",
transport->name, jdwpErrorText(serror), serror));
enumArg->error = serror;
} else {
/* (Don't overwrite any previous error) */
enumArg->startCount++;
}
LOG_MISC(("End startTransport"));
return JNI_TRUE; /* Always continue, even if there was an error */
}
/* Delete a RefNode allocation, delete weak/global ref and clear tag */
static void
deleteNode(JNIEnv *env, RefNode *node)
{
LOG_MISC(("Freeing %d (%x)\n", (int)node->seqNum, node->ref));
if ( node->ref != NULL ) {
/* Clear tag */
(void)JVMTI_FUNC_PTR(gdata->jvmti,SetTag)
(gdata->jvmti, node->ref, NULL_OBJECT_ID);
if (node->isStrong) {
JNI_FUNC_PTR(env,DeleteGlobalRef)(env, node->ref);
} else {
JNI_FUNC_PTR(env,DeleteWeakGlobalRef)(env, node->ref);
}
}
gdata->objectsByIDcount--;
jvmtiDeallocate(node);
}
/* All normal exit doors lead here */
void
debugInit_exit(jvmtiError error, const char *msg)
{
int exit_code = 0;
/* Pick an error code */
if ( error != JVMTI_ERROR_NONE ) {
exit_code = 1;
if ( docoredump ) {
finish_logging(exit_code);
abort();
}
}
if ( msg==NULL ) {
msg = "";
}
LOG_MISC(("Exiting with error %s(%d): %s", jvmtiErrorText(error), error, msg));
gdata->vmDead = JNI_TRUE;
/* Let's try and cleanup the JVMTI, if we even have one */
if ( gdata->jvmti != NULL ) {
/* Dispose of jvmti (gdata->jvmti becomes NULL) */
disposeEnvironment(gdata->jvmti);
}
/* Finish up logging. We reach here if JDWP is doing the exiting. */
finish_logging(exit_code); /* Only first call matters */
/* Let's give the JNI a FatalError if non-exit 0, which is historic way */
if ( exit_code != 0 ) {
JNIEnv *env = NULL;
jniFatalError(env, msg, error, exit_code);
}
/* Last chance to die, this kills the entire process. */
forceExit(exit_code);
}
/*
* The event helper thread. Dequeues commands and processes them.
*/
static void JNICALL
commandLoop(jvmtiEnv* jvmti_env, JNIEnv* jni_env, void* arg)
{
LOG_MISC(("Begin command loop thread"));
while (JNI_TRUE) {
HelperCommand *command = dequeueCommand();
if (command != NULL) {
/*
* Setup for a potential doBlockCommand() call before calling
* handleCommand() to prevent any races.
*/
jboolean doBlock = needBlockCommandLoop(command);
log_debugee_location("commandLoop(): command being handled", NULL, NULL, 0);
handleCommand(jni_env, command);
completeCommand(command);
/* if we just finished a suspend-all cmd, then we block here */
if (doBlock) {
doBlockCommandLoop();
}
}
}
/* This loop never ends, even as connections come and go with server=y */
}
static void JNICALL
cbEarlyException(jvmtiEnv *jvmti_env, JNIEnv *env,
jthread thread, jmethodID method, jlocation location,
jobject exception,
jmethodID catch_method, jlocation catch_location)
{
jvmtiError error;
jthrowable currentException;
LOG_CB(("cbEarlyException: thread=%p", thread));
if ( gdata->vmDead ) {
EXIT_ERROR(AGENT_ERROR_INTERNAL,"VM dead at initial Exception event");
}
if (!vmInitialized) {
LOG_MISC(("VM is not initialized yet"));
return;
}
/*
* We want to preserve any current exception that might get wiped
* out during event handling (e.g. JNI calls). We have to rely on
* space for the local reference on the current frame because
* doing a PushLocalFrame here might itself generate an exception.
*/
currentException = JNI_FUNC_PTR(env,ExceptionOccurred)(env);
JNI_FUNC_PTR(env,ExceptionClear)(env);
if (initOnUncaught && catch_method == NULL) {
LOG_MISC(("Initializing on uncaught exception"));
initialize(env, thread, EI_EXCEPTION);
} else if (initOnException != NULL) {
jclass clazz;
/* Get class of exception thrown */
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, exception);
if ( clazz != NULL ) {
char *signature = NULL;
/* initing on throw, check */
error = classSignature(clazz, &signature, NULL);
LOG_MISC(("Checking specific exception: looking for %s, got %s",
initOnException, signature));
if ( (error==JVMTI_ERROR_NONE) &&
(strcmp(signature, initOnException) == 0)) {
LOG_MISC(("Initializing on specific exception"));
initialize(env, thread, EI_EXCEPTION);
} else {
error = AGENT_ERROR_INTERNAL; /* Just to cause restore */
}
if ( signature != NULL ) {
jvmtiDeallocate(signature);
}
} else {
error = AGENT_ERROR_INTERNAL; /* Just to cause restore */
}
/* If initialize didn't happen, we need to restore things */
if ( error != JVMTI_ERROR_NONE ) {
/*
* Restore exception state from before callback call
*/
LOG_MISC(("No initialization, didn't find right exception"));
if (currentException != NULL) {
JNI_FUNC_PTR(env,Throw)(env, currentException);
} else {
JNI_FUNC_PTR(env,ExceptionClear)(env);
}
}
}
LOG_MISC(("END cbEarlyException"));
}
void
debugLoop_run(void)
{
jboolean shouldListen;
jdwpPacket p;
jvmtiStartFunction func;
/* Initialize all statics */
/* We may be starting a new connection after an error */
cmdQueue = NULL;
cmdQueueLock = debugMonitorCreate("JDWP Command Queue Lock");
transportError = JNI_FALSE;
shouldListen = JNI_TRUE;
func = &reader;
(void)spawnNewThread(func, NULL, "JDWP Command Reader");
standardHandlers_onConnect();
threadControl_onConnect();
/* Okay, start reading cmds! */
while (shouldListen) {
if (!dequeue(&p)) {
break;
}
if (p.type.cmd.flags & JDWPTRANSPORT_FLAGS_REPLY) {
/*
* Its a reply packet.
*/
continue;
} else {
/*
* Its a cmd packet.
*/
jdwpCmdPacket *cmd = &p.type.cmd;
PacketInputStream in;
PacketOutputStream out;
CommandHandler func;
/* Should reply be sent to sender.
* For error handling, assume yes, since
* only VM/exit does not reply
*/
jboolean replyToSender = JNI_TRUE;
/*
* For VirtualMachine.Resume commands we hold the resumeLock
* while executing and replying to the command. This ensures
* that a Resume after VM_DEATH will be allowed to complete
* before the thread posting the VM_DEATH continues VM
* termination.
*/
if (resumeCommand(cmd)) {
debugMonitorEnter(resumeLock);
}
/* Initialize the input and output streams */
inStream_init(&in, p);
outStream_initReply(&out, inStream_id(&in));
LOG_MISC(("Command set %d, command %d", cmd->cmdSet, cmd->cmd));
func = debugDispatch_getHandler(cmd->cmdSet,cmd->cmd);
if (func == NULL) {
/* we've never heard of this, so I guess we
* haven't implemented it.
* Handle gracefully for future expansion
* and platform / vendor expansion.
*/
outStream_setError(&out, JDWP_ERROR(NOT_IMPLEMENTED));
} else if (gdata->vmDead &&
((cmd->cmdSet) != JDWP_COMMAND_SET(VirtualMachine))) {
/* Protect the VM from calls while dead.
* VirtualMachine cmdSet quietly ignores some cmds
* after VM death, so, it sends it's own errors.
*/
outStream_setError(&out, JDWP_ERROR(VM_DEAD));
} else {
/* Call the command handler */
replyToSender = func(&in, &out);
}
/* Reply to the sender */
if (replyToSender) {
if (inStream_error(&in)) {
outStream_setError(&out, inStream_error(&in));
}
outStream_sendReply(&out);
}
/*
* Release the resumeLock as the reply has been posted.
*/
if (resumeCommand(cmd)) {
debugMonitorExit(resumeLock);
}
inStream_destroy(&in);
outStream_destroy(&out);
shouldListen = !lastCommand(cmd);
}
}
threadControl_onDisconnect();
standardHandlers_onDisconnect();
/*
* Cut off the transport immediately. This has the effect of
* cutting off any events that the eventHelper thread might
* be trying to send.
*/
transport_close();
debugMonitorDestroy(cmdQueueLock);
/* Reset for a new connection to this VM if it's still alive */
if ( ! gdata->vmDead ) {
debugInit_reset(getEnv());
}
}
/* OnLoad startup:
* Returning JNI_ERR will cause the java_g VM to core dump, be careful.
*/
JNIEXPORT jint JNICALL
DEF_Agent_OnLoad(JavaVM *vm, char *options, void *reserved)
{
jvmtiError error;
jvmtiCapabilities needed_capabilities;
jvmtiCapabilities potential_capabilities;
jint jvmtiCompileTimeMajorVersion;
jint jvmtiCompileTimeMinorVersion;
jint jvmtiCompileTimeMicroVersion;
/* See if it's already loaded */
if ( gdata!=NULL && gdata->isLoaded==JNI_TRUE ) {
ERROR_MESSAGE(("Cannot load this JVM TI agent twice, check your java command line for duplicate jdwp options."));
return JNI_ERR;
}
/* If gdata is defined and the VM died, why are we here? */
if ( gdata!=NULL && gdata->vmDead ) {
ERROR_MESSAGE(("JDWP unable to load, VM died"));
return JNI_ERR;
}
/* Get global data area */
gdata = get_gdata();
if (gdata == NULL) {
ERROR_MESSAGE(("JDWP unable to allocate memory"));
return JNI_ERR;
}
gdata->isLoaded = JNI_TRUE;
/* Start filling in gdata */
gdata->jvm = vm;
vmInitialized = JNI_FALSE;
gdata->vmDead = JNI_FALSE;
/* Get the JVMTI Env, IMPORTANT: Do this first! For jvmtiAllocate(). */
error = JVM_FUNC_PTR(vm,GetEnv)
(vm, (void **)&(gdata->jvmti), JVMTI_VERSION_1);
if (error != JNI_OK) {
ERROR_MESSAGE(("JDWP unable to access JVMTI Version 1 (0x%x),"
" is your J2SE a 1.5 or newer version?"
" JNIEnv's GetEnv() returned %d",
JVMTI_VERSION_1, error));
forceExit(1); /* Kill entire process, no core dump */
}
/* Check to make sure the version of jvmti.h we compiled with
* matches the runtime version we are using.
*/
jvmtiCompileTimeMajorVersion = ( JVMTI_VERSION & JVMTI_VERSION_MASK_MAJOR )
>> JVMTI_VERSION_SHIFT_MAJOR;
jvmtiCompileTimeMinorVersion = ( JVMTI_VERSION & JVMTI_VERSION_MASK_MINOR )
>> JVMTI_VERSION_SHIFT_MINOR;
jvmtiCompileTimeMicroVersion = ( JVMTI_VERSION & JVMTI_VERSION_MASK_MICRO )
>> JVMTI_VERSION_SHIFT_MICRO;
/* Check for compatibility */
if ( !compatible_versions(jvmtiMajorVersion(), jvmtiMinorVersion(),
jvmtiCompileTimeMajorVersion, jvmtiCompileTimeMinorVersion) ) {
ERROR_MESSAGE(("This jdwp native library will not work with this VM's "
"version of JVMTI (%d.%d.%d), it needs JVMTI %d.%d[.%d].",
jvmtiMajorVersion(),
jvmtiMinorVersion(),
jvmtiMicroVersion(),
jvmtiCompileTimeMajorVersion,
jvmtiCompileTimeMinorVersion,
jvmtiCompileTimeMicroVersion));
/* Do not let VM get a fatal error, we don't want a core dump here. */
forceExit(1); /* Kill entire process, no core dump wanted */
}
/* Parse input options */
if (!parseOptions(options)) {
/* No message necessary, should have been printed out already */
/* Do not let VM get a fatal error, we don't want a core dump here. */
forceExit(1); /* Kill entire process, no core dump wanted */
}
LOG_MISC(("Onload: %s", options));
/* Get potential capabilities */
(void)memset(&potential_capabilities,0,sizeof(potential_capabilities));
error = JVMTI_FUNC_PTR(gdata->jvmti,GetPotentialCapabilities)
(gdata->jvmti, &potential_capabilities);
if (error != JVMTI_ERROR_NONE) {
ERROR_MESSAGE(("JDWP unable to get potential JVMTI capabilities: %s(%d)",
jvmtiErrorText(error), error));
return JNI_ERR;
}
/* Fill in ones that we must have */
(void)memset(&needed_capabilities,0,sizeof(needed_capabilities));
needed_capabilities.can_access_local_variables = 1;
needed_capabilities.can_generate_single_step_events = 1;
needed_capabilities.can_generate_exception_events = 1;
needed_capabilities.can_generate_frame_pop_events = 1;
needed_capabilities.can_generate_breakpoint_events = 1;
needed_capabilities.can_suspend = 1;
needed_capabilities.can_generate_method_entry_events = 1;
needed_capabilities.can_generate_method_exit_events = 1;
needed_capabilities.can_generate_garbage_collection_events = 1;
needed_capabilities.can_maintain_original_method_order = 1;
needed_capabilities.can_generate_monitor_events = 1;
needed_capabilities.can_tag_objects = 1;
/* And what potential ones that would be nice to have */
needed_capabilities.can_force_early_return
= potential_capabilities.can_force_early_return;
needed_capabilities.can_generate_field_modification_events
= potential_capabilities.can_generate_field_modification_events;
needed_capabilities.can_generate_field_access_events
= potential_capabilities.can_generate_field_access_events;
needed_capabilities.can_get_bytecodes
= potential_capabilities.can_get_bytecodes;
needed_capabilities.can_get_synthetic_attribute
= potential_capabilities.can_get_synthetic_attribute;
needed_capabilities.can_get_owned_monitor_info
= potential_capabilities.can_get_owned_monitor_info;
needed_capabilities.can_get_current_contended_monitor
= potential_capabilities.can_get_current_contended_monitor;
needed_capabilities.can_get_monitor_info
= potential_capabilities.can_get_monitor_info;
needed_capabilities.can_pop_frame
= potential_capabilities.can_pop_frame;
needed_capabilities.can_redefine_classes
= potential_capabilities.can_redefine_classes;
needed_capabilities.can_redefine_any_class
= potential_capabilities.can_redefine_any_class;
needed_capabilities.can_get_owned_monitor_stack_depth_info
= potential_capabilities.can_get_owned_monitor_stack_depth_info;
needed_capabilities.can_get_constant_pool
= potential_capabilities.can_get_constant_pool;
{
needed_capabilities.can_get_source_debug_extension = 1;
needed_capabilities.can_get_source_file_name = 1;
needed_capabilities.can_get_line_numbers = 1;
needed_capabilities.can_signal_thread
= potential_capabilities.can_signal_thread;
}
/* Add the capabilities */
error = JVMTI_FUNC_PTR(gdata->jvmti,AddCapabilities)
(gdata->jvmti, &needed_capabilities);
if (error != JVMTI_ERROR_NONE) {
ERROR_MESSAGE(("JDWP unable to get necessary JVMTI capabilities."));
forceExit(1); /* Kill entire process, no core dump wanted */
}
/* Initialize event number mapping tables */
eventIndexInit();
/* Set the initial JVMTI event notifications */
error = set_event_notification(JVMTI_ENABLE, EI_VM_DEATH);
if (error != JVMTI_ERROR_NONE) {
return JNI_ERR;
}
error = set_event_notification(JVMTI_ENABLE, EI_VM_INIT);
if (error != JVMTI_ERROR_NONE) {
return JNI_ERR;
}
if (initOnUncaught || (initOnException != NULL)) {
error = set_event_notification(JVMTI_ENABLE, EI_EXCEPTION);
if (error != JVMTI_ERROR_NONE) {
return JNI_ERR;
}
}
/* Set callbacks just for 3 functions */
(void)memset(&(gdata->callbacks),0,sizeof(gdata->callbacks));
gdata->callbacks.VMInit = &cbEarlyVMInit;
gdata->callbacks.VMDeath = &cbEarlyVMDeath;
gdata->callbacks.Exception = &cbEarlyException;
error = JVMTI_FUNC_PTR(gdata->jvmti,SetEventCallbacks)
(gdata->jvmti, &(gdata->callbacks), sizeof(gdata->callbacks));
if (error != JVMTI_ERROR_NONE) {
ERROR_MESSAGE(("JDWP unable to set JVMTI event callbacks: %s(%d)",
jvmtiErrorText(error), error));
return JNI_ERR;
}
LOG_MISC(("OnLoad: DONE"));
return JNI_OK;
}
/*
* Initialize debugger back end modules
*/
static void
initialize(JNIEnv *env, jthread thread, EventIndex triggering_ei)
{
jvmtiError error;
EnumerateArg arg;
jbyte suspendPolicy;
LOG_MISC(("Begin initialize()"));
currentSessionID = 0;
initComplete = JNI_FALSE;
if ( gdata->vmDead ) {
EXIT_ERROR(AGENT_ERROR_INTERNAL,"VM dead at initialize() time");
}
/* Turn off the initial JVMTI event notifications */
error = set_event_notification(JVMTI_DISABLE, EI_EXCEPTION);
if (error != JVMTI_ERROR_NONE) {
EXIT_ERROR(error, "unable to disable JVMTI event notification");
}
error = set_event_notification(JVMTI_DISABLE, EI_VM_INIT);
if (error != JVMTI_ERROR_NONE) {
EXIT_ERROR(error, "unable to disable JVMTI event notification");
}
error = set_event_notification(JVMTI_DISABLE, EI_VM_DEATH);
if (error != JVMTI_ERROR_NONE) {
EXIT_ERROR(error, "unable to disable JVMTI event notification");
}
/* Remove initial event callbacks */
(void)memset(&(gdata->callbacks),0,sizeof(gdata->callbacks));
error = JVMTI_FUNC_PTR(gdata->jvmti,SetEventCallbacks)
(gdata->jvmti, &(gdata->callbacks), sizeof(gdata->callbacks));
if (error != JVMTI_ERROR_NONE) {
EXIT_ERROR(error, "unable to clear JVMTI callbacks");
}
commonRef_initialize();
util_initialize(env);
threadControl_initialize();
stepControl_initialize();
invoker_initialize();
debugDispatch_initialize();
classTrack_initialize(env);
debugLoop_initialize();
initMonitor = debugMonitorCreate("JDWP Initialization Monitor");
/*
* Initialize transports
*/
arg.isServer = isServer;
arg.error = JDWP_ERROR(NONE);
arg.startCount = 0;
transport_initialize();
(void)bagEnumerateOver(transports, startTransport, &arg);
/*
* Exit with an error only if
* 1) none of the transports was successfully started, and
* 2) the application has not yet started running
*/
if ((arg.error != JDWP_ERROR(NONE)) &&
(arg.startCount == 0) &&
initOnStartup) {
EXIT_ERROR(map2jvmtiError(arg.error), "No transports initialized");
}
eventHandler_initialize(currentSessionID);
signalInitComplete();
transport_waitForConnection();
suspendPolicy = suspendOnInit ? JDWP_SUSPEND_POLICY(ALL)
: JDWP_SUSPEND_POLICY(NONE);
if (triggering_ei == EI_VM_INIT) {
LOG_MISC(("triggering_ei == EI_VM_INIT"));
eventHelper_reportVMInit(env, currentSessionID, thread, suspendPolicy);
} else {
/*
* TO DO: Kludgy way of getting the triggering event to the
* just-attached debugger. It would be nice to make this a little
* cleaner. There is also a race condition where other events
* can get in the queue (from other not-yet-suspended threads)
* before this one does. (Also need to handle allocation error below?)
*/
EventInfo info;
struct bag *initEventBag;
LOG_MISC(("triggering_ei != EI_VM_INIT"));
initEventBag = eventHelper_createEventBag();
(void)memset(&info,0,sizeof(info));
info.ei = triggering_ei;
eventHelper_recordEvent(&info, 0, suspendPolicy, initEventBag);
(void)eventHelper_reportEvents(currentSessionID, initEventBag);
bagDestroyBag(initEventBag);
}
if ( gdata->vmDead ) {
EXIT_ERROR(AGENT_ERROR_INTERNAL,"VM dead before initialize() completes");
}
LOG_MISC(("End initialize()"));
}
